# Copyright (c) 2024, Shanghai Iluvatar CoreX Semiconductor Co., Ltd.
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
#

from abc import ABC, abstractmethod
from typing import List


class BaseTarget(ABC):
    def __call__(self, graph):
        return self.export(graph)

    @abstractmethod
    def export(self, graph):
        raise NotImplementedError()


class TargetList(BaseTarget):
    def __init__(self, targets: List[BaseTarget]):
        super(TargetList, self).__init__()
        self.targets = targets

    def export(self, graph):
        outs = [graph]
        for target in self.targets:
            outs.append(target(graph))

        return outs
